He began to independently engage in drawing and painting in 1969, and participated in apartment exhibitions where he discussed the problems of contemporary art.

[3] This collage of names along with the high attendance demonstrated the public's support for the nonconformist movement and angered the Soviet authorities.

[3] On December 15, 1975, Sinyavin, along with other nonconformist artists and poets, staged a poetry-reading on the Senate Square to commemorate the sesquicentennial of the Decembrists' uprising.

In his memoir, Glas (Russian: Глас), he describes his modernist style "as a force capable of liberating a person and creating a new world of excellence" and one that "brings chaos from the bowels of the subconscious mind."

In early 1976, he wrote the almanac "Petersburg Meetings" (Russian: "Петербургские Встречи") for the underground magazine Samizdat, in which he criticized the practices and policies of the Soviet Union.

[1] In 1984, the newspaper Leningradskaya Pravda published his "Letter from There", in which he illustrated and criticized the American way of life and condemned the idea of emigration.